Perhaps you should try some spelling variations:
yuan kang » yuan chang, chan kang, yuan kai
yuan wang » yan wang, yuan chang, qian wang
know than » know what, know them, know when
than hong » tan hong, thang long, than one
hong shu » cong shu, tong shui, wong shiu
yang ka » yang fan, yang yao
ka rein » a rein, aa reine, dam rein

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan kang) OR (yuan wang)) yang ka rein know than hong shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan kang) or (yuan wang)) yang ka rein know than hong shu ;*.